Moving Objects
This type of transformation is sometimes called a "slide".
A right angle is how many degrees?
90 degrees
The longest side of a right triangle.
What is the hypotenuse?
A polygon where if a diagonal line is drawn it may contain points outside the polygon.
Concave
The first line of a proof is always this word.
Given
This type of transformation is sometimes called a "turn".
rotation
Two angles add to 180. They are called...
Supplementary or linear pair
What is the vertex of a triangle?
Where two sides meet
Parallel lines have the same...
slope
HL proof method can only be used for this type of triangle.
Right triangle
A transformation that changes the size of an object, but not the shape.
Dilation
interior angles that lie on the same side of the transversal
consecutive (same-side) interior
Can these three side lengths make a triangle: 3,3,6?
no
What type of slopes do two perpendicular lines have?
opposite reciprocals
CPCTC is used when proving...
Angles or sides are congruent
A shape that looks the same upside down as right-side up is said to have this attribute.
Point symmetry
The hypotenuse of a triangle is always across from what type of angle?
Right angle
What does HL stand for in the HL Congruence Theorem?
Hypotenuse - Leg
When parallel lines are intersected by another line, what is that line call?
a transversal
CPCTC stands for...
corresponding parts of congruent triangles are congruent
All shapes with point symmetry also have this type of symmetry.
Regular polygons have _______sides and _________ angles.
equilateral and equiangular
Use this to find the missing side of a right triangle when two side lengths are known.
Pythagorean Theorem
When parallel lines are intersected by a transversal, these angles are congruent
alternate interior, alternate exterior and corresponding angles
If I wrote AB=AB in my statement column, my reason would be...
Reflexive Property